4909501 has 4 divisors (see below), whose sum is σ = 5067904. Its totient is φ = 4751100.

The previous prime is 4909483. The next prime is 4909523. The reversal of 4909501 is 1059094.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1059094 = 2 ⋅529547.

It is a cyclic number.

It is not a de Polignac number, because 4909501 - 2¹⁵ = 4876733 is a prime.

It is an Ulam number.

It is a Duffinian number.

4909501 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4909501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4909301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79155 + ... + 79216.

It is an arithmetic number, because the mean of its divisors is an integer number (1266976).

Almost surely, 2^4909501 is an apocalyptic number.

It is an amenable number.

4909501 is a deficient number, since it is larger than the sum of its proper divisors (158403).

4909501 is a wasteful number, since it uses less digits than its factorization.

4909501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158402.

The product of its (nonzero) digits is 1620, while the sum is 28.

The square root of 4909501 is about 2215.7393799813. The cubic root of 4909501 is about 169.9596328606.

The spelling of 4909501 in words is "four million, nine hundred nine thousand, five hundred one".